Locomotive brake maintenance lock-out clamp



FIG. 1 is a side perspective view embodying my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevation view;

FIG. 4 is a bottom plan view; and,

FIG. 5 is an end elevation view. 

The ornamental design for a locomotive brake maintenance lock-out clamp, as shown. 